Why do I need to wait for a while after scanning the QR code on the Smart Lock C30?

Modified on: Fri, 28 Nov, 2025 at 4:23 PM


Since the serial numbers and MAC addresses of eufy devices are securely stored on the eufy server, the app will first connect to the server to verify a device’s serial number and MAC address when setting it up.

If you have any further questions regarding the Smart Lock C30, please don't hesitate to contact us for assistance.

Was this article helpful?

That’s Great!

Thank you for your feedback

Sorry! We couldn't be helpful

Thank you for your feedback

Let us know how can we improve this article!

Select at least one of the reasons
CAPTCHA verification is required.

Feedback sent

We appreciate your effort and will try to fix the article